Because this is 4K HEVC, it requires a decent processor or a dedicated graphics card to play smoothly. Older laptops might struggle or "stutter."
The "Matroska" container. It allows the file to hold multiple subtitle tracks and audio streams in one package. Viewing Considerations [NC-Raws] - 09 (B-Global 3840x2160 HEVC AAC MKV...
Based on that file name, you're looking at a high-quality release of an anime episode. Technical Breakdown Because this is 4K HEVC, it requires a